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Global Volcanism Program | Image GVP-02095

A submarine explosion from Nishinoshima breaches the surface on 9 October 1973. Steam trails behind ejected hot blocks at the margin of the plume. Submarine eruptions began on 12 April 1973 and the new island was first observed on 11 September. Lava flows began in September and three new islands were formed, which joined together during October-November 1973.  Photo courtesy of Japan Meteorological Agency, 1973.

A submarine explosion from Nishinoshima breaches the surface on 9 October 1973. Steam trails behind ejected hot blocks at the margin of the plume. Submarine eruptions began on 12 April 1973 and the new island was first observed on 11 September. Lava flows began in September and three new islands were formed, which joined together during October-November 1973.

Photo courtesy of Japan Meteorological Agency, 1973.

Keywords: eruption | magma water interaction | Surtseyan | pyroclastic surge | explosive eruption | phreatomagmatic | water | magma water interaction | cock’s-tail plume | submarine volcano


Nishinoshima